PT88559A - Process for the manufacture of polyurethane foams - Google Patents

Process for the manufacture of polyurethane foams

Info

Publication number
PT88559A
PT88559A PT8855988A PT8855988A PT88559A PT 88559 A PT88559 A PT 88559A PT 8855988 A PT8855988 A PT 8855988A PT 8855988 A PT8855988 A PT 8855988A PT 88559 A PT88559 A PT 88559A
Authority
PT
Portugal
Prior art keywords
methylene
water
blown
isocyanate
polyether
Prior art date
Application number
PT8855988A
Other languages
English (en)
Other versions
PT88559B (pt
Inventor
T Pham
L Mueller
Original Assignee
Ici Plc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ici Plc filed Critical Ici Plc
Publication of PT88559A publication Critical patent/PT88559A/pt
Publication of PT88559B publication Critical patent/PT88559B/pt

Links

Landscapes

  • Polyurethanes Or Polyureas (AREA)
PT8855988A 1987-09-21 1988-09-20 Processo para a preparacao de espumas de poliuretano PT88559B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878722149A GB8722149D0 (en) 1987-09-21 1987-09-21 Polyurethane foam

Publications (2)

Publication Number Publication Date
PT88559A true PT88559A (pt) 1990-02-08
PT88559B PT88559B (pt) 1992-11-30

Family

ID=10624116

Family Applications (1)

Application Number Title Priority Date Filing Date
PT8855988A PT88559B (pt) 1987-09-21 1988-09-20 Processo para a preparacao de espumas de poliuretano

Country Status (3)

Country Link
GB (1) GB8722149D0 (pt)
PT (1) PT88559B (pt)
ZA (1) ZA886492B (pt)

Also Published As

Publication number Publication date
ZA886492B (en) 1989-04-26
GB8722149D0 (en) 1987-10-28
PT88559B (pt) 1992-11-30

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19920521

PC3A Transfer or assignment

Free format text: 20000630 HUNTSMAN ICI CHEMICALS LLC US

MM4A Annulment/lapse due to non-payment of fees;searched & examined patent

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20071121

MM4A Annulment/lapse due to non-payment of fees;searched & examined patent

Free format text: MAXIMUM VALIDITY LIMIT REACHED

Effective date: 20080920